From: Joshua Aberback <joshua.aberb...@amd.com> [Why] If dc->clk_mgr->funcs->are_clock_states_equal is set, then wm_optimized_required is never checked. In that case, when going from a higher mode to a lower mode, wm_optimized_required remains true until the next mode change.
[How] - move from else-if to unconditional or Signed-off-by: Joshua Aberback <joshua.aberb...@amd.com> Reviewed-by: Jun Lei <jun....@amd.com> Reviewed-by: Nicholas Kazlauskas <nicholas.kazlaus...@amd.com> Reviewed-by: Yongqiang Sun <yongqiang....@amd.com> Acked-by: Rodrigo Siqueira <rodrigo.sique...@amd.com> --- drivers/gpu/drm/amd/display/dc/core/dc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 512703eeaf82..8489f1e56892 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1861,8 +1861,9 @@ enum surface_update_type dc_check_update_surfaces_for_stream( // Else we fallback to mem compare. } else if (memcmp(&dc->current_state->bw_ctx.bw.dcn.clk, &dc->clk_mgr->clks, offsetof(struct dc_clocks, prev_p_state_change_support)) != 0) { dc->optimized_required = true; - } else if (dc->wm_optimized_required) - dc->optimized_required = true; + } + + dc->optimized_required |= dc->wm_optimized_required; } return type; -- 2.26.0 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx